R. H. Al-Obaidi, and H. R. A. Al-Janabi. “PROLACTIN AND RECEPTOR GENE POLYMORPHISM AND THEIR ASSOCIATION WITH SOME PRODUCTIVE TRAITS OF HOLSTEIN COWS”. IRAQI JOURNAL OF AGRICULTURAL SCIENCES 56, no. 4 (August 25, 2025): 1305–1315. Accessed August 28, 2025. https://jcoagri.uobaghdad.edu.iq/index.php/intro/article/view/2270.